Home / 1,326,953.60-1,990,689.60-528,099.20

Finding the Fourth Proportional to 1,326,953.60, 1,990,689.60 and 528,099.20

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Solution

The fourth proportional to 1,326,953.60, 1,990,689.60 and 528,099.20 is: 792,251.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,326,953.60 : 1,990,689.60 = 528,099.20 : x
  2. Step 2: Convert to fraction form
    1,326,953.60/1,990,689.60 = 528,099.20/x
  3. Step 3: Cross multiply
    1,326,953.60x = 1,990,689.60 × 528,099.20
  4. Step 4: Simplify right side
    1,326,953.60x = 1,051,281,585,208.32
  5. Step 5: Solve for x
    x = 1,051,281,585,208.32/1,326,953.60
  6. Step 6: Final answer
    x = 792,251.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.